Copper-graphite brush

Details Copper-graphite brush Copper-graphite brush

2006-06-27

2006-06-27

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S263000, C310S228000

Reexamination Certificate

active

07067951

ABSTRACT:
A copper-zinc alloy powder of which zinc content is from 10 to 50 wt % and of which mean particle diameter is from 15 μm or under is added to a Pb-less brush body comprising graphite, copper and a metal sulfide solid lubricant of a copper-graphite brush.

REFERENCES:
patent: 3601645 (1971-08-01), Whitehead
patent: 4241271 (1980-12-01), Johnson
patent: 5270504 (1993-12-01), Grohs et al.
patent: 5441683 (1995-08-01), Kammerer et al.
patent: 6700292 (2004-03-01), Otanani
patent: 53-147609 (1978-12-01), None
patent: 57-7872 (1982-01-01), None
Watanabe, Yoshitada, “Sliding Contact Characteristics Between Self-Lubricating Composite Materials and Copper”,IEEE Transactions on Components, Hybrids, and Manufacturing Technology,IEEE Inc., New York, vol. 16, No. 4, Jun. 1993, pp. 442-448.
European Search Report dated May 26, 2004.

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